/* Solarized 配色（Ethan Schoonover，https://ethanschoonover.com/solarized/） */
:root {
  --base03: #002b36; --base02: #073642; --base01: #586e75; --base00: #657b83;
  --base0: #839496; --base1: #93a1a1; --base2: #eee8d5; --base3: #fdf6e3;
  --yellow: #b58900; --orange: #cb4b16; --red: #dc322f; --magenta: #d33682;
  --violet: #6c71c4; --blue: #268bd2; --cyan: #2aa198; --green: #859900;
  --radius: 14px;

  /* Solarized Light（默认） */
  --bg: var(--base3);
  --card: var(--base2);
  --card-border: #ddd6bd;
  --chip: #e3dcc2;
  --text: var(--base01);
  --body-text: var(--base00);
  --muted: var(--base1);
  --accent: var(--blue);
  --keep: var(--green);
  --deep: var(--violet);
  --later: var(--yellow);
  --archive: var(--base1);
  --header-bg: rgba(253, 246, 227, .92);
  --overlay: rgba(88, 110, 117, .35);
  --toast-bg: var(--base02);
  --toast-text: var(--base2);
}

[data-theme="dark"] {
  --bg: var(--base03);
  --card: var(--base02);
  --card-border: #0e4656;
  --chip: #0d4254;
  --text: var(--base1);
  --body-text: var(--base0);
  --muted: var(--base01);
  --archive: var(--base00);
  --header-bg: rgba(0, 43, 54, .92);
  --overlay: rgba(0, 16, 21, .65);
  --toast-bg: var(--base2);
  --toast-text: var(--base02);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { overscroll-behavior-x: none; }

body {
  font-family: -apple-system, "PingFang SC", "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  padding-bottom: env(safe-area-inset-bottom);
  overscroll-behavior-x: none; /* 防止触摸板横滑触发浏览器前进/后退 */
}

.hidden { display: none !important; }

/* ---------- 登录 ---------- */
.login {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg); z-index: 100;
}
.login-card {
  width: min(320px, 86vw); text-align: center;
  display: flex; flex-direction: column; gap: 14px;
}
.login-card p { color: var(--muted); }
.login-card input {
  padding: 12px 14px; border-radius: var(--radius);
  border: 1px solid var(--card-border); background: var(--card);
  color: var(--text); font-size: 16px; outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.error { color: var(--red); font-size: 14px; }

/* ---------- 头部 ---------- */
header {
  position: sticky; top: 0; z-index: 10;
  background: var(--header-bg); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--card-border);
  padding: 10px 14px 0;
}
.header-row { display: flex; align-items: center; justify-content: space-between; }
.header-actions { display: flex; gap: 6px; }
.header-row h1 { font-size: 19px; }
.date-nav { display: flex; align-items: center; gap: 8px; margin: 8px 0; }
.date-nav select {
  flex: 1; padding: 8px 10px; border-radius: 10px; font-size: 15px;
  background: var(--card); color: var(--text); border: 1px solid var(--card-border);
}

.search-bar { display: flex; gap: 8px; margin: 8px 0; }
.search-bar input {
  flex: 1; padding: 9px 12px; border-radius: 10px; font-size: 15px;
  background: var(--card); color: var(--text); border: 1px solid var(--card-border);
  outline: none;
}
.search-bar input:focus { border-color: var(--accent); }
.search-bar .btn-primary { padding: 9px 18px; }

.btn-add { background: var(--accent); color: var(--base3); padding: 8px 16px; border-radius: 10px; }
.btn-add:disabled { background: var(--chip); color: var(--muted); }

.tabs { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 8px; }
.tabs button {
  flex-shrink: 0; padding: 6px 13px; border-radius: 999px; font-size: 14px;
  background: transparent; color: var(--muted); border: 1px solid transparent;
  cursor: pointer;
}
.tabs button.active { background: var(--card); color: var(--text); border-color: var(--card-border); }

/* ---------- 卡片 ---------- */
main { padding: 12px 14px 40px; display: flex; flex-direction: column; gap: 12px; max-width: 760px; margin: 0 auto; }

.card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 14px 16px;
}
.card h2 { font-size: 16px; font-weight: 600; }
.card h2 a { color: var(--text); text-decoration: none; }
.card h2 a:active { color: var(--accent); }

.meta { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0; align-items: center; }
.badge {
  font-size: 12px; padding: 2px 9px; border-radius: 999px;
  background: var(--chip); color: var(--muted);
}
.badge.score { background: color-mix(in srgb, var(--accent) 16%, var(--card)); color: var(--accent); font-weight: 600; }
.badge.zotero-ok { background: color-mix(in srgb, var(--orange) 16%, var(--card)); color: var(--orange); }
.badge.zotero-retry { background: color-mix(in srgb, var(--later) 16%, var(--card)); color: var(--later); border: none; cursor: pointer; font-family: inherit; }
.badge.status-keep { background: color-mix(in srgb, var(--keep) 16%, var(--card)); color: var(--keep); }
.badge.status-deep_read { background: color-mix(in srgb, var(--deep) 16%, var(--card)); color: var(--deep); }
.badge.status-later { background: color-mix(in srgb, var(--later) 16%, var(--card)); color: var(--later); }
.badge.status-archive { background: color-mix(in srgb, var(--archive) 16%, var(--card)); color: var(--archive); }

.authors { color: var(--muted); font-size: 13px; margin-top: 4px; }

.summary { margin-top: 10px; font-size: 14px; }
.summary .one-line { color: var(--text); }
.summary details { margin-top: 6px; }
.summary summary { color: var(--accent); font-size: 13px; cursor: pointer; }
.summary dl { margin-top: 8px; display: grid; gap: 6px; }
.summary dt { color: var(--muted); font-size: 12px; }
.summary dd { font-size: 14px; }
.no-summary { color: var(--muted); font-size: 13px; margin-top: 10px; }
.abstract { margin-top: 8px; }
.abstract summary { color: var(--muted); font-size: 13px; cursor: pointer; }
.abstract p { margin-top: 6px; font-size: 13px; color: var(--body-text); }

/* ---------- 操作按钮 ---------- */
.actions { display: flex; gap: 8px; margin-top: 12px; }
.btn {
  padding: 9px 0; border-radius: 10px; border: none; font-size: 14px;
  cursor: pointer; font-weight: 500;
}
.actions .btn { flex: 1; background: var(--chip); color: var(--text); }
.actions .btn .dir { margin-right: 5px; opacity: .75; }
.actions .btn kbd {
  margin-left: 6px; padding: 0 5px; border-radius: 4px;
  font-family: inherit; font-size: 11px; opacity: .65;
  border: 1px solid currentColor;
}
.actions .btn-keep:active, .actions .btn-keep.on { background: var(--keep); color: var(--base3); }
.actions .btn-deep:active, .actions .btn-deep.on { background: var(--deep); color: var(--base3); }
.actions .btn-later:active, .actions .btn-later.on { background: var(--later); color: var(--base3); }
.actions .btn-archive:active, .actions .btn-archive.on { background: var(--archive); color: var(--base3); }

/* 语音听读 */
.voice-status { color: var(--accent); font-size: 13px; margin-left: auto; }
.voice-mode {
  background: var(--card); color: var(--text); border: 1px solid var(--card-border);
  border-radius: 8px; padding: 4px 6px; font-size: 12.5px;
}
.ptt-btn {
  margin-top: 8px; padding: 14px; border-radius: 12px; border: 1px dashed var(--card-border);
  background: var(--card); color: var(--muted); font-size: 14px; cursor: pointer;
  -webkit-user-select: none; user-select: none; touch-action: none;
}
.ptt-btn.recording { background: color-mix(in srgb, var(--deep) 20%, var(--card)); color: var(--deep); border-style: solid; }

/* 精读阅读队列 */
.reading-actions { margin-bottom: -4px; }
.reading-actions .btn-zotero { background: color-mix(in srgb, var(--deep) 16%, var(--card)); color: var(--deep); }
.reading-actions .btn-read.on { background: var(--chip); color: var(--muted); }
.queue-hint { color: var(--muted); font-size: 13px; }
.read-done > summary { color: var(--muted); font-size: 13px; cursor: pointer; padding: 6px 2px; }
.read-done .card { margin-top: 12px; opacity: .75; }

.btn-primary { background: var(--accent); color: var(--base3); padding: 12px; }
.btn-ghost {
  background: transparent; border: 1px solid var(--card-border);
  color: var(--muted); padding: 6px 12px; border-radius: 10px;
}

.empty { text-align: center; color: var(--muted); margin-top: 60px; padding: 0 20px; }

/* ---------- 刷卡初筛 ---------- */
.swipe-view {
  max-width: 760px; margin: 0 auto; padding: 10px 14px 20px;
  display: flex; flex-direction: column;
  height: calc(100dvh - 165px);
}
.swipe-progress {
  display: flex; justify-content: space-between; align-items: center;
  color: var(--muted); font-size: 13px; margin-bottom: 8px; min-height: 30px;
}
.swipe-stack { flex: 1; position: relative; min-height: 0; }
.swipe-card {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  padding: 0; overflow: hidden;
  touch-action: pan-y;
  will-change: transform;
}
.swipe-body {
  flex: 1; min-height: 0; overflow-y: auto; padding: 16px;
  overscroll-behavior: contain;
}
.swipe-card .actions { padding: 10px 16px 14px; border-top: 1px solid var(--card-border); margin-top: 0; }
.swipe-section { margin-top: 14px; }
.swipe-section h3 { font-size: 13px; color: var(--accent); margin-bottom: 6px; font-weight: 600; }
.swipe-section .one-line { font-size: 14px; margin-bottom: 8px; }
.swipe-summary { display: grid; gap: 6px; }
.swipe-summary dt { color: var(--muted); font-size: 12px; }
.swipe-summary dd { font-size: 14px; }
.swipe-abstract { font-size: 14px; color: var(--body-text); line-height: 1.65; }
.swipe-done { text-align: center; color: var(--muted); margin-top: 80px; font-size: 16px; }

.swipe-hint {
  position: absolute; top: 18px; z-index: 5;
  padding: 6px 14px; border-radius: 8px; font-weight: 700; font-size: 15px;
  background: var(--card);
  opacity: 0; transition: opacity .15s; pointer-events: none;
}
.swipe-hint-left { right: 16px; color: var(--archive); border: 2px solid var(--archive); transform: rotate(8deg); }
.swipe-hint-right { left: 16px; color: var(--keep); border: 2px solid var(--keep); transform: rotate(-8deg); }
.swipe-hint-up { left: 50%; transform: translateX(-50%) rotate(-3deg); color: var(--deep); border: 2px solid var(--deep); }
.swipe-hint-down { left: 50%; top: auto; bottom: 76px; transform: translateX(-50%) rotate(3deg); color: var(--later); border: 2px solid var(--later); }
.swipe-card.will-archive .swipe-hint-left { opacity: 1; }
.swipe-card.will-keep .swipe-hint-right { opacity: 1; }
.swipe-card.will-deep .swipe-hint-up { opacity: 1; }
.swipe-card.will-later .swipe-hint-down { opacity: 1; }
.swipe-card.will-keep { border-color: var(--keep); }
.swipe-card.will-archive { border-color: var(--archive); }
.swipe-card.will-deep { border-color: var(--deep); }
.swipe-card.will-later { border-color: var(--later); }

/* ---------- 待办（补传 PDF） ---------- */
.todo-card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.todo-card .drop-hint {
  margin-top: 10px; padding: 14px; text-align: center;
  border: 1.5px dashed var(--card-border); border-radius: 10px;
  color: var(--muted); font-size: 13px;
}
.todo-card.drag-over { border-color: var(--accent); }
.todo-card.drag-over .drop-hint { border-color: var(--accent); color: var(--accent); }

/* ---------- 划词 / 右击翻译 ---------- */
.trans-pop {
  position: fixed; z-index: 300; max-width: min(340px, 88vw);
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: 10px; padding: 10px 12px;
  font-size: 13.5px; color: var(--text); line-height: 1.6;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .22);
}
.trans-pop .trans-src { color: var(--accent); font-weight: 600; margin-bottom: 4px; word-break: break-word; }
.trans-pop .trans-body { color: var(--body-text); }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 150;
  background: var(--overlay); backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center; padding: 16px;
}
.modal-card {
  background: var(--card); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 20px;
  width: min(420px, 94vw); max-height: 86dvh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 12px;
}
.modal-card.modal-wide { width: min(640px, 94vw); }
.modal-card h2 { font-size: 17px; }
.modal-card h3 { font-size: 14px; color: var(--accent); margin-bottom: 2px; }
.modal-card section { display: flex; flex-direction: column; gap: 8px; }
.modal-hint { color: var(--muted); font-size: 13px; }
.modal-hint.warn { color: var(--later); }
.chip-row { display: flex; flex-wrap: wrap; gap: 5px; max-height: 110px; overflow-y: auto; }
.modal-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.modal-card select { font: inherit; }
.modal-card input, .modal-card textarea, .modal-card select {
  padding: 9px 12px; border-radius: 10px; font-size: 14px;
  background: var(--bg); color: var(--text); border: 1px solid var(--card-border);
  outline: none; font-family: inherit;
}
.modal-card textarea { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12.5px; line-height: 1.5; }
.modal-card input:focus, .modal-card textarea:focus { border-color: var(--accent); }
.field-row { display: flex; gap: 10px; }
.field-row label { flex: 1; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 4px; }
.modal-actions .btn-primary { padding: 9px 22px; }

.toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%);
  background: var(--toast-bg); color: var(--toast-text); padding: 10px 20px;
  border-radius: 999px; font-size: 14px; z-index: 200;
  box-shadow: 0 4px 20px rgba(0, 0, 0, .25);
}

@media (min-width: 640px) {
  header { padding: 12px 24px 0; }
  .card h2 { font-size: 17px; }
}

/* 云同步 / 账号管理 */
.check-label { flex-direction: row !important; align-items: center; gap: 8px; }
.check-label input { width: auto; }
.admin-user-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 0; border-bottom: 1px solid var(--border, #eee);
}
.admin-user-name { flex: 1; font-size: 14px; }
.admin-key {
  word-break: break-all; user-select: all;
  background: var(--card-bg, #f6f2e6); padding: 8px; border-radius: 6px;
}